Number of cars that have completed race without a pit stop: 4 – the drivers were Dave Evans in the Cummins Diesel (1931 – 13th), Cliff Bergere in the Noc Out Hose Clamp (1941 – 5th ), Jimmy Jackson in the Howard Keck (1949 – 6th) and Johnny Mantz in the Agajanian (1949 – 7th)